Lang Radio Co. 703-US Schematic

Lang Radio Co. 703-US

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Product Information:
Model:703-US
Manufacturer:Lang Radio Co.

Schematic Pages

PNG: Page 1 Rider Manual Volume 5

Schematics Content

Page 1:

To align the receiver: Turn the band selector to broadcast - Short C7 - apply 175 KC to grid of V2 and adjust L6 - apply 175 KC to grid of VI and adjust L5 - Remove short from C7 - apply 1400 KC to antennae and adjust C3, 5,11 - apply 600 KC and adjust C10, Shift band switch to shortwave apply 15 megacycles and adjust c9 to low peak, then adjust 02.

This receiver is a seven tube Universal dual wave receiver. One band covers the usual broadcasting $ 40 to 1550 K C. and the other takes in the high frequency broadcasting 5500 to 17000 K.C. The high frequency range includes the important international broadcast bands 19, 25, 31, and 49 meters. Tuning and selection of bands are facilitated by the use of the " Select - Ur - Band " dial. Movement of the selector switch automatically shifts the mask on dial, so that only proper band can be seen. The broadcast part is calibrated in kilocycles, and the high frequency in mega cycles. Broadcast bands are indicated in tan, amateur in red, airplane in blue, and unclassified in white. 49 meter band is from 6.01 to 6.15 megacycles, 31 meter is from 9.5 to 9.6 megacycles, 25 meter is from 11.7 to 11.9 mega cycles and is meter is from 15.1 to 15.34 megacycles.